CN107634271A - The chemical synthesis technology of lead-acid accumulator - Google Patents

The chemical synthesis technology of lead-acid accumulator Download PDF

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CN107634271A
CN107634271A CN201710758695.3A CN201710758695A CN107634271A CN 107634271 A CN107634271 A CN 107634271A CN 201710758695 A CN201710758695 A CN 201710758695A CN 107634271 A CN107634271 A CN 107634271A
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current
pulse
lead
positive
constant
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CN107634271B (en
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王江林
刘旭东
蒋勇
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Chaowei Power Supply Co Ltd
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Chaowei Power Supply Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses a kind of chemical synthesis technology of lead-acid accumulator, the chemical synthesizing method fills 2 mode playbacks for 3, including：Multistage constant current chemical conversion, pulse formation, constant-voltage charge and constant-current discharge, multistage constant current chemical conversion is first carried out, then carry out gap pulse charge and positive negative pulse stuffing chemical conversion, charged followed by constant pressure low current, discharge process is carried out preferably with continuous current.The present invention has the advantages that：Battery formation efficiency and chemical conversion quality are improved, reduces the electricity that chemical conversion uses, production cost is reduced, shortens the chemical conversion time, accelerate the production process of factory, improve chemical conversion uniformity；Charged using high current discontinuous pulses, add the activity of battery pole plates.

Description

The chemical synthesis technology of lead-acid accumulator
Technical field
The present invention relates to Battery formation technical field, and Battery formation efficiency and chemical conversion matter can be improved more particularly, to one kind Amount, shorten chemical conversion the time, improve Battery formation when energy utilization rate lead-acid accumulator chemical synthesis technology.
Background technology
The manufacturing process of battery is the manufacturing process of a Ge Duo workshop sections, needs 20 days or so from cast panel to finished product is packed out Time, wherein be internalized into the charge and discharge time about at 98 hours, about 4 days, account for 1/5 time of whole production process；Its In, the manufacturing process of other processes can not or be difficult to shorten the time again, therefore, to shorten the manufacturing time of battery, only It can be compressed in the interior formation charge-discharge time, and compress the time for being internalized into charge and discharge.First have to solve electrolyte permeability Difficult, pole plate is melted into uneven, PbO2The inconsistent technical problem of content.
Battery of the prior art is internalized into charge technology, is internalized into although shortening battery to a certain extent The time of charge and discharge, but complex process, unhandy technical problem be present.At present, forming technology is more using experiment and experience Mode.Wherein, slow pulse formation technology reduces concentration polarization and the ohmic polarization of battery, improves formation efficiency, will change 76h is foreshortened into the time；The mode of positive pulse chemical conversion makes the chemical conversion time shorten to 66h, while decreases chemical conversion electricity；Pulse Formation method is melted into using fixed positive negative pulse stuffing mode to battery so that the chemical conversion time is reduced to about 60h, at the beginning of it Step demonstrates the feasibility of positive negative pulse stuffing mode, but without open positive negative pulse stuffing amplitude and width, the length of intermittent time；It is multistage Duan Hengliu chemical conversions are adjusted according to the change of temperature and gassing to electric current, are first melted into reduced-current constant current, are then gradually increased Height, gradually reduced again after reaching to a certain degree；Constant current is filled-put chemical conversion and added in formation process and discharged several times.Though the above method So shorten the time that battery is internalized into charge and discharge, but all existing deficiency in operation.
The content of the invention
For the present invention in order to overcome the chemical conversion time that battery is internalized into the prior art to grow, formation efficiency is high, is melted into quality Low deficiency, it is proposed that one kind can improve Battery formation efficiency and chemical conversion quality, shorten the chemical conversion time, when improving Battery formation Energy utilization rate lead-acid accumulator chemical synthesis technology.
To achieve these goals, present invention employs following technical scheme：
A kind of chemical synthesis technology of lead-acid accumulator, the chemical synthesizing method fill 2 mode playbacks for 3, comprised the following steps that：
（1-1）After lead-acid accumulator acid adding, positive and negative wiring is connected, places it in water bath with thermostatic control and stands 5 to 20 minutes；
（1-2）1st charging stage：
（1-2-1）Multistage constant current is melted into, and battery is charged using low current；
（1-2-2）Pulse formation；
（1-2-3）Constant-voltage charge, lead-acid accumulator is charged using constant pressure low current；
（1-3）1st discharge regime：Initial discharge is carried out using continuous current；
（1-4）2nd charging stage：
（1-4-1）Pulse formation；
（1-4-2）Constant-voltage charge, lead-acid accumulator is charged using constant pressure low current；
（1-5）2nd discharge regime：Secondary discharge is carried out using continuous current；
（1-6）3rd charging stage：
（1-6-1）Pulse formation；
（1-6-2）Constant-voltage charge, lead-acid accumulator is charged using constant pressure low current.
The chemical synthesis technology of heretofore described lead-acid accumulator, including：Multistage constant current chemical conversion, pulse formation, constant pressure Charging and constant-current discharge, multistage constant current chemical conversion is first carried out, then carry out gap pulse charge and positive negative pulse stuffing chemical conversion, followed by Constant pressure low current is charged, and discharge process is carried out preferably with continuous current, can so improve Battery formation efficiency with changing Into quality, the electricity that chemical conversion uses is reduced, shortens the chemical conversion time.
Preferably, the pulse formation of each charging stage includes gap pulse charge and positive negative pulse stuffing is melted into；Specific bag Include following steps：
（2-1）Gap pulse charge, lead-acid accumulator is charged using positive pulse electric current；
（2-2）Positive negative pulse stuffing is melted into, be melted into using positive pulse, the chemical conversion of interval, negative pulse, by the way of intermittent cyclic to lead acid storage battery Pond carries out discharge and recharge.
Preferably, when being charged using positive pulse electric current to lead-acid accumulator, pulse positive current size is 0.25- 0.60C, pulse width 1000-4500ms, pulse charge time are 1-8h, off time 100ms, and the latter charging rank The pulse positive current of section is more than the pulse positive current of previous charging stage.
Preferably, when being melted into using positive negative pulse stuffing, positive pulse size of current is 0.3-0.50C, negative pulse current size It is for 0.45-0.6C, positive pulse width 1000-1800ms, negative pulse width 50-100ms, gap 50-150ms, time 2-10h, and the pulse positive current of the latter charging stage is more than the pulse positive current of previous charging stage, each charging rank The negative pulse current of section is equal in magnitude.
Preferably, multistage constant current chemical conversion comprises at least 2 stages, the forming current in each stage differs, and And the forming current of latter stage is more than the forming current in previous stage.
Preferably, step（1-4）In, the constant pressure value of constant-voltage charge is the 1.3-1.5 of the nominal voltage of lead-acid accumulator Times, current value 0.1-0.2C, charging interval 0.5-2h；
Step（1-7）In, the constant pressure value of constant-voltage charge is 1.4-1.7 times of the nominal voltage of lead-acid accumulator, and current value is 0.1-0.2C, charging interval 0.5-2h；
Step（1-10）In, the constant pressure value of constant-voltage charge is 1.25-1.50 times of the nominal voltage of lead-acid accumulator, and current value is 0.05-0.1C, charging interval 0.5-3h.
Preferably, step（1-5）With（1-8）When carrying out constant-current discharge, constant-current discharge current value is 0.2-0.5C, cut-off Voltage is 0.8-0.95 times of the nominal voltage of lead-acid accumulator.
Therefore, the present invention has the advantages that：（1）Multistage constant current chemical conversion is first carried out, then carries out gap pulse and fills Electricity and positive negative pulse stuffing chemical conversion, are charged followed by constant pressure low current, are carried out discharge process preferably with continuous current, are improved Battery formation efficiency and chemical conversion quality, reduce the electricity that chemical conversion uses, reduce production cost, shorten the chemical conversion time, accelerate The production process of factory, improves chemical conversion uniformity；（2）Charged using high current discontinuous pulses, add battery pole The activity of plate.
Brief description of the drawings
Fig. 1 is a kind of flow chart of embodiments of the invention.
Embodiment
The present invention is described further with embodiment below in conjunction with the accompanying drawings：
Embodiment as shown in Figure 1 is a kind of chemical synthesis technology of lead-acid accumulator, and the chemical synthesizing method fills 2 mode playbacks for 3, specific step It is rapid as follows：
（1-1）After lead-acid accumulator acid adding, positive and negative wiring is connected, places it in water bath with thermostatic control and stands 10 minutes；
（1-2）1st charging stage included multistage constant current chemical conversion, pulse formation and constant-voltage charge, comprised the following steps that：
（1-2-1）Multistage constant current is melted into：
Charged using continuous current, size of current 0.05C, time 5min；
Charged using continuous current, size of current 0.07C, time 10min；
Charged using continuous current, size of current 0.15C, time 15min；
Charged using continuous current, size of current 0.2C, time 30min；
（1-2-2）Pulse formation：
Gap pulse charge, battery is charged using positive pole pulse current, pulse positive current size is 0.3C, pulse width For 4000ms, the pulse charge time is 1h；
Gap pulse charge, battery is charged using positive pole pulse current, pulse positive current size is 0.4C, pulse width For 3000ms, the pulse charge time is 1.5h；
Gap pulse charge, battery is charged using positive pole pulse current, pulse positive current size is 0.45C, and pulse is wide It is 7h to spend for 2000ms, pulse charge time；
Gap pulse charge, battery is charged using positive pole pulse current, pulse positive current size is 0.4C, pulse width For 1500ms, the pulse charge time is 2.5h, off time 100ms；
Positive negative pulse stuffing is melted into, using positive pulse is melted into, interval, negative pulse are melted into, lead-acid accumulator is entered by the way of intermittent cyclic Row discharge and recharge, positive pulse size of current are 0.35C, and negative pulse current size is 0.5C, positive pulse width 1300ms, negative pulse Width is 60ms, and gap 100ms, the pulse charge time is 2.5h；
Positive negative pulse stuffing is melted into, using positive pulse is melted into, interval, negative pulse are melted into, lead-acid accumulator is entered by the way of intermittent cyclic Row discharge and recharge, positive pulse size of current are 0.38C, and negative pulse current size is 0.5C, positive pulse width 1200ms, negative pulse Width is 80ms, and gap 100ms, the pulse charge time is 2.5h；
Positive negative pulse stuffing is melted into, using positive pulse is melted into, interval, negative pulse are melted into, lead-acid accumulator is entered by the way of intermittent cyclic Row discharge and recharge, positive pulse size of current are 0.35C, and negative pulse current size is 0.5C, positive pulse width 1100ms, negative pulse Width is 100ms, and gap 100ms, the pulse charge time is 3h；
（1-2-3）Constant-voltage charge：The constant pressure value used that charges is 336V, current value 0.125C, charging interval 1h；
（1-3）1st discharge regime, blanking voltage is discharged to using continuous current, is comprised the following steps that：
Discharged using continuous current, constant-current discharge current value is 0.4C, and the blanking voltage of electric discharge is 230V；
Discharged using continuous current, constant-current discharge current value is 0.2C, and the blanking voltage of electric discharge is 224V；
（1-4）2nd charging stage included pulse formation and constant-voltage charge, comprised the following steps that：
（1-4-1）Pulse formation：
Gap pulse charge, battery is charged using positive pole pulse current, pulse positive current size is 0.5C, pulse width For 2000ms, the pulse charge time is 2h；
Gap pulse charge, battery is charged using positive pole pulse current, pulse positive current size is 0.4C, pulse width For 1400ms, the pulse charge time is 2h, pulse spacing 100ms；
Positive negative pulse stuffing charges, and positive pulse size of current is 0.35C, and negative pulse current size is 0.5C, and positive pulse width is 1200ms, negative pulse width 80ms, gap 100ms, pulse charge time are 2h；
Positive negative pulse stuffing charges, and positive pulse size of current is 0.4C, and negative pulse current size is 0.5C, and positive pulse width is 1100ms, negative pulse width 100ms, gap 100ms, pulse charge time are 2.5h；
Positive negative pulse stuffing charges, and positive pulse size of current is 0.36C, and negative pulse current size is 0.5C, and positive pulse width is 1000ms, negative pulse width 120ms, gap 100ms, pulse charge time are 2.5h；
（1-4-2）Constant-voltage charge：The constant pressure value used that charges is 342V, current value 0.1C, charging interval 1h；
（1-5）2nd discharge regime, blanking voltage is discharged to using continuous current, is comprised the following steps that：
Discharged using continuous current, constant-current discharge current value is 0.5C, and the blanking voltage of electric discharge is the 220V of battery nominal voltage；
Discharged using continuous current, constant-current discharge current value is 0C, and the blanking voltage of electric discharge is the 205V of battery nominal voltage；
（1-6）3rd charging stage included pulse formation and constant-voltage charge, comprised the following steps that：
（1-6-1）Pulse formation：
Gap pulse charge, battery is charged using positive pole pulse current, pulse positive current size is 0.5C, pulse width For 1800ms, the pulse charge time is 2h；
Gap pulse charge, battery is charged using positive pole pulse current, pulse positive current size is 0.45C, and pulse is wide It is 1h to spend for 1300ms, pulse charge time, off time 100ms；
Positive negative pulse stuffing charges, and positive pulse size of current is 0.4C, and negative pulse current size is 0.5C, and positive pulse width is 1100ms, negative pulse width 100ms, gap 100ms, pulse charge time are 1h；
Positive negative pulse stuffing charges, and positive pulse size of current is 0.4C, and negative pulse current size is 0.5C, and positive pulse width is 1000ms, negative pulse width 150ms, gap 100ms, pulse charge time are 1.5h；
（1-6-2）Constant-voltage charge, the constant pressure value used that charges is 342V, current value 0.11C, charging interval 1h；
Constant-voltage charge, the constant pressure value used that charges is 310V, current value 0.05C, charging interval 1h.
Table 1：The chemical conversion data of the inventive method
Stage Working method Charging voltage V Positive current（C） Negative current（C） Positive pulsewidth (ms) Negative pulsewidth (ms) Intermittently (ms) Change voltage V Conversion time h
1 Stand 00:10
2 Constant-current charge 0.05 0 0.00 00:05
3 Constant-current charge 0.07 0 0.00 00:10
4 Constant-current charge 0.15 0 0.00 00:15
5 Constant-current charge 0.2 0 0.00 00:30
6 Gap pulse 0.3 0 4000 0 0 0.00 01:00
7 Gap pulse 0.4 0 3000 0 0 0.00 01:30
8 Gap pulse 0.45 0 2000 0 0 0.00 07:00
9 Gap pulse 0.4 0 1500 0 100 0.00 02:30
10 Positive negative pulse stuffing 0.35 0.5 1300 60 100 0.00 02:30
11 Positive negative pulse stuffing 0.38 0.5 1200 80 100 0.00 02:30
12 Positive negative pulse stuffing 0.35 0.5 1100 100 100 0.00 03:00
13 Constant-voltage charge 336.0 0.125 0 0.00 01:00
14 Electric discharge 0.4 230.0 02:00
15 Electric discharge 0.2 224.0 00:00
16 Gap pulse 0.5 0 2000 0 0 0.00 02:00
17 Gap pulse 0.4 0 1400 0 100 0.00 02:00
18 Positive negative pulse stuffing 0.35 0.5 1200 80 100 0.00 02:00
19 Positive negative pulse stuffing 0.4 0.5 1100 100 100 0.00 02:30
20 Positive negative pulse stuffing 0.36 0.5 1000 120 100 0.00 02:30
21 Constant-voltage charge 342.0 0.1 0.5 0.00 01:00
22 Electric discharge 0.5 220.0 01:50
23 Electric discharge 0 205.0 00:00
24 Gap pulse 0.5 0 1800 0 0 0.00 02:00
25 Gap pulse 0.45 0 1300 0 100 0.00 01:00
26 Positive negative pulse stuffing 0.4 0.5 1100 100 100 0.00 01:00
27 Positive negative pulse stuffing 0.4 0.5 1000 150 100 0.00 01:30
28 Constant-voltage charge 342.0 0.11 0.00 01:00
29 Constant-voltage charge 310.0 0.05 0.00 01:00
30 Terminate
Table 2：The chemical conversion data of the inventive method
Stage Electric current Time
1 0.5±0.01A 1h
2 2±0.01A 1h
3 3±0.01A 2h
4 3.5±0.01A 3.5h
5 5±0.01A 14h
6 1±0.01A 0.5h
7 3.5±0.01A 5.5h
8 3±0.01A 4h
9 2.5±0.01A 0.5h
10 -5±0.01A It is discharged to voltage 11.5V/ only
11 -3±0.01A It is discharged to voltage 11.5V/ only
12 5±0.01A 8h
13 3.5±0.01A 8h
14 3±0.01A 2h
15 2±0.01A 1h
16 1.5±0.01A 1h
17 0A 1h
18 -10±0.01A It is discharged to voltage 10.7V/ only.
19 4±0.01A 8h
20 3±0.01A 3h
21 2±0.01A 2h
Upper table 1 is that the method for the present invention carries out the specific data of container formation, upper table 2 to 20 20AH of every road series connection battery It is the specific data that other method carries out container formation to 20 20AH of every road series connection battery.
The chemical conversion time of other techniques is more than 74h, charge capacity 250AH it can be seen from above-mentioned two form Left and right；And under same model, the charging interval of the invention is 48h, charge capacity 138AH, hence it is evident that reduces production cost, increases Production efficiency is added.
It should be understood that the present embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that After having read the content of the invention lectured, those skilled in the art can make various changes or modifications to the present invention, these etc. Valency form equally falls within the application appended claims limited range.

Claims (7)

1. a kind of chemical synthesis technology of lead-acid accumulator, it is characterised in that the chemical synthesizing method fills 2 mode playbacks for 3, and specific steps are such as Under：
（1-1）After lead-acid accumulator acid adding, positive and negative wiring is connected, places it in water bath with thermostatic control and stands 5 to 20 minutes；
（1-2）1st charging stage：
（1-2-1）Multistage constant current is melted into, and battery is charged using low current；
（1-2-2）Pulse formation；
（1-2-3）Constant-voltage charge, lead-acid accumulator is charged using constant pressure low current；
（1-3）1st discharge regime：Initial discharge is carried out using continuous current；
（1-4）2nd charging stage：
（1-4-1）Pulse formation；
（1-4-2）Constant-voltage charge, lead-acid accumulator is charged using constant pressure low current；
（1-5）2nd discharge regime：Secondary discharge is carried out using continuous current；
（1-6）3rd charging stage：
（1-6-1）Pulse formation；
（1-6-2）Constant-voltage charge, lead-acid accumulator is charged using constant pressure low current.
2. the chemical synthesis technology of lead-acid accumulator according to claim 1, it is characterised in that the chopping of each charging stage Into including gap pulse charge and positive negative pulse stuffing chemical conversion；Specifically comprise the following steps：
（2-1）Gap pulse charge, lead-acid accumulator is charged using positive pulse electric current；
（2-2）Positive negative pulse stuffing is melted into, be melted into using positive pulse, the chemical conversion of interval, negative pulse, by the way of intermittent cyclic to lead acid storage battery Pond carries out discharge and recharge.
3. the chemical synthesis technology of lead-acid accumulator according to claim 2, it is characterised in that using positive pulse electric current to plumbic acid When battery is charged, pulse positive current size is 0.25-0.60C, pulse width 1000-4500ms, during pulse charge Between be 1-8h, off time 100ms, and the pulse positive current of the latter charging stage is more than the pulse of previous charging stage Positive current.
4. the chemical synthesis technology of lead-acid accumulator according to claim 2, it is characterised in that when being melted into using positive negative pulse stuffing, Positive pulse size of current is 0.3-0.50C, and negative pulse current size is 0.45-0.6C, positive pulse width 1000-1800ms, Negative pulse width is 50-100ms, gap 50-150ms, time 2-10h, and the pulse positive current of the latter charging stage It is equal in magnitude more than the pulse positive current of previous charging stage, the negative pulse current of each charging stage.
5. the chemical synthesis technology of lead-acid accumulator according to claim 1, it is characterised in that the multistage constant current be melted into Include 2 stages less, the forming current in each stage differs, and the forming current of latter stage is more than previous rank The forming current of section.
6. the chemical synthesis technology of lead-acid accumulator according to claim 1, it is characterised in that
Step（1-4）In, the constant pressure value of constant-voltage charge is 1.3-1.5 times of the nominal voltage of lead-acid accumulator, and current value is 0.1-0.2C, charging interval 0.5-2h；
Step（1-7）In, the constant pressure value of constant-voltage charge is 1.4-1.7 times of the nominal voltage of lead-acid accumulator, and current value is 0.1-0.2C, charging interval 0.5-2h；
Step（1-10）In, the constant pressure value of constant-voltage charge is 1.25-1.50 times of the nominal voltage of lead-acid accumulator, and current value is 0.05-0.1C, charging interval 0.5-3h.
7. the chemical synthesis technology of the lead-acid accumulator according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that step （1-5）With（1-8）When carrying out constant-current discharge, constant-current discharge current value is 0.2-0.5C, and blanking voltage is the mark of lead-acid accumulator Claim 0.8-0.95 times of voltage.
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CN110148797A (en) * 2019-04-30 2019-08-20 超威电源有限公司 A kind of chemical synthesizing method of lead-acid accumulator
CN110797585A (en) * 2018-08-02 2020-02-14 肇庆理士电源技术有限公司 Container formation method for lead-acid storage battery
CN111082159A (en) * 2019-12-19 2020-04-28 江西新威动力能源科技有限公司 Formation method of lead-acid storage battery
CN111697279A (en) * 2020-06-15 2020-09-22 四川力扬工业有限公司 Novel efficient positive and negative pulse charging process
CN112803923A (en) * 2020-12-26 2021-05-14 沈小东 Self-adaptive electroosmosis pulse generation device and electroosmosis pulse control method
CN109546249B (en) * 2018-12-17 2024-04-30 江苏聚合新能源科技有限公司 Formation method and device for lead-acid battery

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CN109616702A (en) * 2018-07-16 2019-04-12 骆驼集团襄阳蓄电池有限公司 A kind of alternative expression pulse formation charge technology
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CN110797585A (en) * 2018-08-02 2020-02-14 肇庆理士电源技术有限公司 Container formation method for lead-acid storage battery
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CN111697279A (en) * 2020-06-15 2020-09-22 四川力扬工业有限公司 Novel efficient positive and negative pulse charging process
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